2131341631 has 8 divisors (see below), whose sum is σ = 2206857600. Its totient is φ = 2055960480.

The previous prime is 2131341613. The next prime is 2131341649. The reversal of 2131341631 is 1361431312.

It is an interprime number because it is at equal distance from previous prime (2131341613) and next prime (2131341649).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131341631 - 2¹³ = 2131333439 is a prime.

It is a super-2 number, since 2×2131341631² = 9085234296067480322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131341596 and 2131341605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131341601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975 + ... + 65296.

It is an arithmetic number, because the mean of its divisors is an integer number (275857200).

Almost surely, 2^2131341631 is an apocalyptic number.

2131341631 is a deficient number, since it is larger than the sum of its proper divisors (75515969).

2131341631 is a wasteful number, since it uses less digits than its factorization.

2131341631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67409.

The product of its digits is 1296, while the sum is 25.

The square root of 2131341631 is about 46166.4556902520. The cubic root of 2131341631 is about 1286.9184365148.

Adding to 2131341631 its reverse (1361431312), we get a palindrome (3492772943).

The spelling of 2131341631 in words is "two billion, one hundred thirty-one million, three hundred forty-one thousand, six hundred thirty-one".